The Nyquist law is applied to all the conventional compression coding algorithms, which prescribes that the sampling rate must be at least as twice as the signal frequency.
在传统的压缩编码技术中，采样均遵循奈奎斯特定律，该定律规定采样速率要高于原信号频率的两倍。
The frequency aliasing due to sub-Nyquist sampling can be resolved by the proposed frequency aliasing resolving algorithm and information from the time-delay channel.
文中，欠采样所引入的频率模糊由增加的延迟通道提供的信息加以消除，并提出了相应的频率解模糊算法。
The sampling theorem shows that aliasing can be avoided if the Nyquist frequency is greater than the bandwidth, or maximum component frequency, of the signal being sampled.
采样定理表明，如果奈奎斯特频率大于样本的带宽或样本成分的最高频率，系统的采样失真可以避免。
According to the Nyquist Theorem, the sampling rate must be more than twice the maximum frequency component of the signal being measured.
根据Nyquist定理，采样率必须是被测信号最高频率分量的两倍以上。
Based on an auxiliary time-delay channel and ESPRIT approach, a new algorithm for wide band frequency estimation with sub-Nyquist sampling was proposed.
为了克服现有的欠采样频率估计方法存在的算法复杂、工程实现困难等问题，本文提出了一种基于虚拟仪器的三采样率切换的频率估计方法。
Based on an auxiliary time-delay channel and ESPRIT approach, a new algorithm for wide band frequency estimation with sub-Nyquist sampling was proposed.
为了克服现有的欠采样频率估计方法存在的算法复杂、工程实现困难等问题，本文提出了一种基于虚拟仪器的三采样率切换的频率估计方法。
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